Timeline for "Let $x \in A$", beginning a proof of "$\forall x \in A$ ...", if A were empty
Current License: CC BY-SA 2.5
1 event
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 23, 2010 at 13:34 | history | answered | Stefan Geschke | CC BY-SA 2.5 |